Miscellaneous
Educational Spectrophotometer System
Teaches students basic optical principles and allows quantitative measurements that rival those of more expensive units.
The 60:1 gear ratio of rotating disk to pin gives the Rotary Motion Sensor a higher resolution for spectrophotometry.
https://www.pasco.com/products/lab-apparatus/light-and-optics/spectrometers/os-8539#specs-panel